CVE-2021-32798
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A public Caja bypass can be used to trigger an XSS when a victim opens a malicious ipynb document in Jupyter Notebook. The XSS allows an attacker to execute arbitrary code on the victim computer using Jupyter APIs.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-32798
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 6.4.3-1 | |
| debian | bookworm | fixed | 6.4.3-1 |
| debian | bullseye | affected | |
| debian | forky | fixed | 6.4.3-1 |
| debian | sid | fixed | 6.4.3-1 |
| debian | trixie | fixed | 6.4.3-1 |
References
- https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
- https://nvd.nist.gov/vuln/detail/CVE-2021-32798
- https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
- https://github.com/jupyter/notebook
- https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
- https://security-tracker.debian.org/tracker/CVE-2021-32798
Verify integrity in audit chain (admin only). AS-IS.